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Abstract
The diagnostic features of subpulmonary haemothorax (SH) are often overlooked. A retrospective
review of 399 consecutive patients discharged with diagnoses of post-traumatic haemo-
or haemopneumothorax yielded 51 (12.8 per cent) instances of SH on the initial radiographs.
In 24 (47.1 per cent) of these the initial diagnosis of SH had been missed. A concerted
teach-in followed in order to reduce the rate of error.
In a subsequent prospective study of 1773 consecutive patients with haemothorax (510)
or haemopneumothorax (1263), mostly due to penetrating injuries, and who had undergone
pre-interventional erect chest radiography, 336 (19.0 per cent) had the blood confined
to the subpulmonary position; 156 (12.4 per cent) of the haemopneumothoraces and 180
(35.3 per cent) of the pure haemothoraces presented in this way. Confirmatory lateral
decubitus radiography was necessary in 141 (42.0 per cent) of the SHs but initial
diagnostic errors were confined to six cases (1.8 per cent).
Comparison of the 336 SH patients and the 1437 presenting with more florid radiological
signs showed only one significant difference in management and outcome: emergency
thoracotomy rates of, respectively, 0.9 per cent and 9.2 per cent (P < 0.0005). We
conclude that SH is a common and normal presentation of less than massive haemothorax
and we stress the diagnostic radiological features.
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Article info
Publication history
Accepted:
December 11,
1990
Identification
Copyright
© 1991 Published by Elsevier Inc.